A 60-year old male has a long standing history of breathlessness. He has been a heavy smoker since the age of 20 years. Physical examination reveals an anxious male who is emaciated, puffing for breath but is not cyanosed. The chest is barrels shaped. The primary pathology of the lung in this patient is associated with which of the following pathogenetic mechanisms?
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now